blob: ee4bb6a173688b6ed9a08b6eef6c26e745e77658 [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/dbus/power/power_policy_controller.h"
#include <memory>
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "chromeos/dbus/power/fake_power_manager_client.h"
#include "chromeos/dbus/power_manager/backlight.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromeos {
class PowerPolicyControllerTest : public testing::Test {
public:
PowerPolicyControllerTest() = default;
~PowerPolicyControllerTest() override = default;
void SetUp() override {
PowerManagerClient::InitializeFake();
PowerPolicyController::Initialize(FakePowerManagerClient::Get());
ASSERT_TRUE(PowerPolicyController::IsInitialized());
policy_controller_ = PowerPolicyController::Get();
}
void TearDown() override {
if (PowerPolicyController::IsInitialized())
PowerPolicyController::Shutdown();
PowerManagerClient::Shutdown();
}
protected:
FakePowerManagerClient* power_manager() {
return FakePowerManagerClient::Get();
}
PowerPolicyController* policy_controller_;
base::MessageLoop message_loop_;
private:
DISALLOW_COPY_AND_ASSIGN(PowerPolicyControllerTest);
};
TEST_F(PowerPolicyControllerTest, Prefs) {
PowerPolicyController::PrefValues prefs;
prefs.ac_screen_dim_delay_ms = 600000;
prefs.ac_screen_off_delay_ms = 660000;
prefs.ac_idle_delay_ms = 720000;
prefs.battery_screen_dim_delay_ms = 300000;
prefs.battery_screen_off_delay_ms = 360000;
prefs.battery_idle_delay_ms = 420000;
prefs.ac_idle_action = PowerPolicyController::ACTION_SUSPEND;
prefs.battery_idle_action = PowerPolicyController::ACTION_STOP_SESSION;
prefs.lid_closed_action = PowerPolicyController::ACTION_SHUT_DOWN;
prefs.use_audio_activity = true;
prefs.use_video_activity = true;
prefs.ac_brightness_percent = 87.0;
prefs.battery_brightness_percent = 43.0;
prefs.enable_auto_screen_lock = false;
prefs.presentation_screen_dim_delay_factor = 3.0;
prefs.user_activity_screen_dim_delay_factor = 2.0;
prefs.wait_for_initial_user_activity = true;
prefs.force_nonzero_brightness_for_user_activity = false;
prefs.boot_on_ac = true;
policy_controller_->ApplyPrefs(prefs);
power_manager::PowerManagementPolicy expected_policy;
expected_policy.mutable_ac_delays()->set_screen_dim_ms(600000);
expected_policy.mutable_ac_delays()->set_screen_off_ms(660000);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_ac_delays()->set_idle_warning_ms(-1);
expected_policy.mutable_ac_delays()->set_idle_ms(720000);
expected_policy.mutable_battery_delays()->set_screen_dim_ms(300000);
expected_policy.mutable_battery_delays()->set_screen_off_ms(360000);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_battery_delays()->set_idle_warning_ms(-1);
expected_policy.mutable_battery_delays()->set_idle_ms(420000);
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_SUSPEND);
expected_policy.set_battery_idle_action(
power_manager::PowerManagementPolicy_Action_STOP_SESSION);
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SHUT_DOWN);
expected_policy.set_use_audio_activity(true);
expected_policy.set_use_video_activity(true);
expected_policy.set_ac_brightness_percent(87.0);
expected_policy.set_battery_brightness_percent(43.0);
expected_policy.set_presentation_screen_dim_delay_factor(3.0);
expected_policy.set_user_activity_screen_dim_delay_factor(2.0);
expected_policy.set_wait_for_initial_user_activity(true);
expected_policy.set_force_nonzero_brightness_for_user_activity(false);
expected_policy.set_boot_on_ac(true);
expected_policy.set_reason(PowerPolicyController::kPrefsReason);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Change some prefs and check that an updated policy is sent.
prefs.ac_idle_warning_delay_ms = 700000;
prefs.battery_idle_warning_delay_ms = 400000;
prefs.lid_closed_action = PowerPolicyController::ACTION_SUSPEND;
prefs.ac_brightness_percent = -1.0;
prefs.force_nonzero_brightness_for_user_activity = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_idle_warning_ms(700000);
expected_policy.mutable_battery_delays()->set_idle_warning_ms(400000);
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SUSPEND);
expected_policy.clear_ac_brightness_percent();
expected_policy.set_force_nonzero_brightness_for_user_activity(true);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// The enable-auto-screen-lock pref should force the screen-lock delays to
// match the screen-off delays plus a constant value.
prefs.enable_auto_screen_lock = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(
660000 + PowerPolicyController::kScreenLockAfterOffDelayMs);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(
360000 + PowerPolicyController::kScreenLockAfterOffDelayMs);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// If the screen-lock-delay prefs are set to lower values than the
// screen-off delays plus the constant, the lock prefs should take
// precedence.
prefs.ac_screen_lock_delay_ms = 70000;
prefs.battery_screen_lock_delay_ms = 60000;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(70000);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(60000);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// If the artificial screen-lock delays would exceed the idle delay, they
// shouldn't be set -- the power manager would ignore them since the
// idle action should lock the screen in this case.
prefs.ac_screen_off_delay_ms = prefs.ac_idle_delay_ms - 1;
prefs.battery_screen_off_delay_ms = prefs.battery_idle_delay_ms - 1;
prefs.ac_screen_lock_delay_ms = -1;
prefs.battery_screen_lock_delay_ms = -1;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_off_ms(
prefs.ac_screen_off_delay_ms);
expected_policy.mutable_battery_delays()->set_screen_off_ms(
prefs.battery_screen_off_delay_ms);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(-1);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Set the "allow screen wake locks" pref to false and add a screen wake lock.
// It should be downgraded to a system wake lock, and the pref-supplied delays
// should be left untouched.
prefs.allow_screen_wake_locks = false;
policy_controller_->ApplyPrefs(prefs);
policy_controller_->AddScreenWakeLock(PowerPolicyController::REASON_OTHER,
"Screen");
expected_policy.set_system_wake_lock(true);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", Screen");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Set the "allow wake locks" pref to false and add a screen wake lock.
// It should be ignored.
prefs.allow_wake_locks = false;
policy_controller_->ApplyPrefs(prefs);
policy_controller_->AddScreenWakeLock(PowerPolicyController::REASON_OTHER,
"Screen");
expected_policy.clear_system_wake_lock();
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason));
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Set PeakShift prefs.
prefs.peak_shift_enabled = true;
prefs.peak_shift_battery_threshold = 20;
constexpr PowerPolicyController::PeakShiftDayConfiguration
kPeakShiftDayConfig = {
PowerPolicyController::WEEK_DAY_TUESDAY, {10, 0}, {20, 15}, {23, 45}};
prefs.peak_shift_day_configurations.push_back(kPeakShiftDayConfig);
policy_controller_->ApplyPrefs(prefs);
expected_policy.set_peak_shift_battery_percent_threshold(20);
auto* proto_config = expected_policy.add_peak_shift_day_configs();
proto_config->set_day(power_manager::PowerManagementPolicy::TUESDAY);
proto_config->mutable_start_time()->set_hour(10);
proto_config->mutable_start_time()->set_minute(0);
proto_config->mutable_end_time()->set_hour(20);
proto_config->mutable_end_time()->set_minute(15);
proto_config->mutable_charge_start_time()->set_hour(23);
proto_config->mutable_charge_start_time()->set_minute(45);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, SystemWakeLock) {
policy_controller_->AddSystemWakeLock(PowerPolicyController::REASON_OTHER,
"1");
power_manager::PowerManagementPolicy expected_policy;
expected_policy.set_system_wake_lock(true);
expected_policy.set_reason("1");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, DimWakeLock) {
policy_controller_->AddDimWakeLock(PowerPolicyController::REASON_OTHER, "1");
power_manager::PowerManagementPolicy expected_policy;
expected_policy.set_dim_wake_lock(true);
expected_policy.set_reason("1");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, ScreenWakeLock) {
policy_controller_->AddScreenWakeLock(PowerPolicyController::REASON_OTHER,
"1");
power_manager::PowerManagementPolicy expected_policy;
expected_policy.set_screen_wake_lock(true);
expected_policy.set_reason("1");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, IgnoreMediaWakeLocksWhenRequested) {
PowerPolicyController::PrefValues prefs;
policy_controller_->ApplyPrefs(prefs);
const power_manager::PowerManagementPolicy kDefaultPolicy =
power_manager()->policy();
// Wake locks created for audio or video playback should be ignored when the
// |use_audio_activity| or |use_video_activity| prefs are unset.
prefs.use_audio_activity = false;
prefs.use_video_activity = false;
policy_controller_->ApplyPrefs(prefs);
const int audio_id = policy_controller_->AddSystemWakeLock(
PowerPolicyController::REASON_AUDIO_PLAYBACK, "audio");
const int video_id = policy_controller_->AddScreenWakeLock(
PowerPolicyController::REASON_VIDEO_PLAYBACK, "video");
power_manager::PowerManagementPolicy expected_policy = kDefaultPolicy;
expected_policy.set_use_audio_activity(false);
expected_policy.set_use_video_activity(false);
expected_policy.set_reason(PowerPolicyController::kPrefsReason);
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Non-media screen wake locks should still be honored.
const int other_id = policy_controller_->AddScreenWakeLock(
PowerPolicyController::REASON_OTHER, "other");
expected_policy.set_screen_wake_lock(true);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", other");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Start honoring audio activity and check that the audio wake lock is used.
policy_controller_->RemoveWakeLock(other_id);
prefs.use_audio_activity = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy = kDefaultPolicy;
expected_policy.set_use_video_activity(false);
expected_policy.set_system_wake_lock(true);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", audio");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
// Now honor video activity as well.
prefs.use_video_activity = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy = kDefaultPolicy;
expected_policy.set_screen_wake_lock(true);
expected_policy.set_system_wake_lock(true);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", audio, video");
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
policy_controller_->RemoveWakeLock(audio_id);
policy_controller_->RemoveWakeLock(video_id);
}
TEST_F(PowerPolicyControllerTest, AvoidSendingEmptyPolicies) {
// Check that empty policies aren't sent when PowerPolicyController is created
// or destroyed.
EXPECT_EQ(0, power_manager()->num_set_policy_calls());
PowerPolicyController::Shutdown();
EXPECT_EQ(0, power_manager()->num_set_policy_calls());
}
TEST_F(PowerPolicyControllerTest, DoNothingOnLidClosedWhileSigningOut) {
PowerPolicyController::PrefValues prefs;
policy_controller_->ApplyPrefs(prefs);
const power_manager::PowerManagementPolicy kDefaultPolicy =
power_manager()->policy();
prefs.lid_closed_action = PowerPolicyController::ACTION_SHUT_DOWN;
policy_controller_->ApplyPrefs(prefs);
power_manager::PowerManagementPolicy expected_policy;
expected_policy = kDefaultPolicy;
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SHUT_DOWN);
// Sanity check.
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
policy_controller_->NotifyChromeIsExiting();
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
// Lid-closed action successfully changed to "do nothing".
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, SuspendOnLidClosedWhileSignedOut) {
PowerPolicyController::PrefValues prefs;
policy_controller_->ApplyPrefs(prefs);
const power_manager::PowerManagementPolicy kDefaultPolicy =
power_manager()->policy();
prefs.lid_closed_action = PowerPolicyController::ACTION_SHUT_DOWN;
policy_controller_->ApplyPrefs(prefs);
power_manager::PowerManagementPolicy expected_policy;
expected_policy = kDefaultPolicy;
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SHUT_DOWN);
// Sanity check
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
policy_controller_->SetEncryptionMigrationActive(true);
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SUSPEND);
expected_policy.set_reason("Prefs, encryption migration");
// Lid-closed action successfully changed to "suspend".
EXPECT_EQ(
PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(power_manager()->policy()));
}
TEST_F(PowerPolicyControllerTest, PerSessionScreenBrightnessOverride) {
const double kAcBrightness = 99.0;
const double kBatteryBrightness = 77.0;
PowerPolicyController::PrefValues prefs;
prefs.ac_brightness_percent = kAcBrightness;
prefs.battery_brightness_percent = kBatteryBrightness;
policy_controller_->ApplyPrefs(prefs);
EXPECT_EQ(kAcBrightness, power_manager()->policy().ac_brightness_percent());
EXPECT_EQ(kBatteryBrightness,
power_manager()->policy().battery_brightness_percent());
// Simulate model triggered brightness change - shouldn't override the policy.
power_manager::SetBacklightBrightnessRequest request;
request.set_percent(80.0);
request.set_cause(power_manager::SetBacklightBrightnessRequest_Cause_MODEL);
power_manager()->SetScreenBrightness(request);
base::RunLoop().RunUntilIdle();
policy_controller_->ApplyPrefs(prefs);
EXPECT_EQ(kAcBrightness, power_manager()->policy().ac_brightness_percent());
EXPECT_EQ(kBatteryBrightness,
power_manager()->policy().battery_brightness_percent());
// Simulate user triggered brightness change - should override the policy.
request.set_percent(80.0);
request.set_cause(
power_manager::SetBacklightBrightnessRequest_Cause_USER_REQUEST);
power_manager()->SetScreenBrightness(request);
base::RunLoop().RunUntilIdle();
policy_controller_->ApplyPrefs(prefs);
EXPECT_FALSE(power_manager()->policy().has_ac_brightness_percent());
EXPECT_FALSE(power_manager()->policy().has_battery_brightness_percent());
// Simulate policy values update that should be ignored.
prefs.ac_brightness_percent = 98.0;
prefs.battery_brightness_percent = 76.0;
policy_controller_->ApplyPrefs(prefs);
EXPECT_FALSE(power_manager()->policy().has_ac_brightness_percent());
EXPECT_FALSE(power_manager()->policy().has_battery_brightness_percent());
}
TEST_F(PowerPolicyControllerTest, PolicyAutoScreenLockDelay) {
PowerPolicyController::PrefValues prefs;
policy_controller_->ApplyPrefs(prefs);
// Autolock disabled.
prefs.ac_screen_lock_delay_ms = 4000;
prefs.battery_screen_lock_delay_ms = 1000;
prefs.enable_auto_screen_lock = false;
policy_controller_->ApplyPrefs(prefs);
EXPECT_EQ(base::TimeDelta(),
policy_controller_->Get()->GetMaxPolicyAutoScreenLockDelay());
// Autolock enabled.
// Longer AC delay.
prefs.enable_auto_screen_lock = true;
policy_controller_->ApplyPrefs(prefs);
EXPECT_EQ(base::TimeDelta::FromMilliseconds(prefs.ac_screen_lock_delay_ms),
policy_controller_->Get()->GetMaxPolicyAutoScreenLockDelay());
// Longer battery delay.
prefs.ac_screen_lock_delay_ms = 1000;
prefs.battery_screen_lock_delay_ms = 4000;
policy_controller_->ApplyPrefs(prefs);
EXPECT_EQ(
base::TimeDelta::FromMilliseconds(prefs.battery_screen_lock_delay_ms),
policy_controller_->Get()->GetMaxPolicyAutoScreenLockDelay());
}
TEST_F(PowerPolicyControllerTest, FastSuspendWhenBacklightsForcedOff) {
const int kAcDimMs = 600000; // 10m
const int kAcOffMs = 620000; // 10m20s
const int kAcLockMs = 610000; // 10m10s
const int kAcIdleWarnMs = 650000; // 10m50s
const int kAcIdleMs = 660000; // 11m
const int kBatteryDimMs = 300000; // 5m
const int kBatteryOffMs = 310000; // 5m10s
const int kBatteryLockMs = 320000; // 5m20s
const int kBatteryIdleWarnMs = 355000; // 5m55s
const int kBatteryIdleMs = 360000; // 6m
PowerPolicyController::PrefValues prefs;
prefs.ac_screen_dim_delay_ms = kAcDimMs;
prefs.ac_screen_off_delay_ms = kAcOffMs;
prefs.ac_screen_lock_delay_ms = kAcLockMs;
prefs.ac_idle_warning_delay_ms = kAcIdleWarnMs;
prefs.ac_idle_delay_ms = kAcIdleMs;
prefs.battery_screen_dim_delay_ms = kBatteryDimMs;
prefs.battery_screen_off_delay_ms = kBatteryOffMs;
prefs.battery_screen_lock_delay_ms = kBatteryLockMs;
prefs.battery_idle_warning_delay_ms = kBatteryIdleWarnMs;
prefs.battery_idle_delay_ms = kBatteryIdleMs;
prefs.ac_idle_action = PowerPolicyController::ACTION_SUSPEND;
prefs.battery_idle_action = PowerPolicyController::ACTION_SUSPEND;
prefs.fast_suspend_when_backlights_forced_off = true;
policy_controller_->ApplyPrefs(prefs);
// We should start out with the delays specified by the prefs.
power_manager::PowerManagementPolicy policy = power_manager()->policy();
EXPECT_EQ(kAcDimMs, policy.ac_delays().screen_dim_ms());
EXPECT_EQ(kAcOffMs, policy.ac_delays().screen_off_ms());
EXPECT_EQ(kAcLockMs, policy.ac_delays().screen_lock_ms());
EXPECT_EQ(kAcIdleWarnMs, policy.ac_delays().idle_warning_ms());
EXPECT_EQ(kAcIdleMs, policy.ac_delays().idle_ms());
EXPECT_EQ(kBatteryDimMs, policy.battery_delays().screen_dim_ms());
EXPECT_EQ(kBatteryOffMs, policy.battery_delays().screen_off_ms());
EXPECT_EQ(kBatteryLockMs, policy.battery_delays().screen_lock_ms());
EXPECT_EQ(kBatteryIdleWarnMs, policy.battery_delays().idle_warning_ms());
EXPECT_EQ(kBatteryIdleMs, policy.battery_delays().idle_ms());
// After reporting that the backlights were forced off for a power button
// press, the idle and idle-warning delays should be shortened and other
// delays should be cleared.
policy_controller_->HandleBacklightsForcedOffForPowerButton(true);
policy = power_manager()->policy();
EXPECT_EQ(0, policy.ac_delays().screen_dim_ms());
EXPECT_EQ(0, policy.ac_delays().screen_off_ms());
EXPECT_EQ(0, policy.ac_delays().screen_lock_ms());
EXPECT_EQ(kAcIdleWarnMs - kAcOffMs, policy.ac_delays().idle_warning_ms());
EXPECT_EQ(kAcIdleMs - kAcOffMs, policy.ac_delays().idle_ms());
EXPECT_EQ(0, policy.battery_delays().screen_dim_ms());
EXPECT_EQ(0, policy.battery_delays().screen_off_ms());
EXPECT_EQ(0, policy.battery_delays().screen_lock_ms());
EXPECT_EQ(kBatteryIdleWarnMs - kBatteryOffMs,
policy.battery_delays().idle_warning_ms());
EXPECT_EQ(kBatteryIdleMs - kBatteryOffMs, policy.battery_delays().idle_ms());
// If the screen-off delay is equal to the idle delay and longer than the
// idle-warning delay, both the idle and idle-warning delays should be set to
// 1 (the minimum delay allowed by powerd).
prefs.ac_screen_off_delay_ms = kAcIdleMs;
policy_controller_->ApplyPrefs(prefs);
policy = power_manager()->policy();
EXPECT_EQ(0, policy.ac_delays().screen_dim_ms());
EXPECT_EQ(0, policy.ac_delays().screen_off_ms());
EXPECT_EQ(0, policy.ac_delays().screen_lock_ms());
EXPECT_EQ(1, policy.ac_delays().idle_warning_ms());
EXPECT_EQ(1, policy.ac_delays().idle_ms());
}
} // namespace chromeos